CVE-2025-0626 json
Hidden Functionality vulnerability in Contec Health CMS8000 Patient Monitor
published last yr. modified 4mo ago also EUVD-2025-1797
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
The "monitor" binary in the firmware of the affected product attempts to mount to a hard-coded, routable IP address, bypassing existing device network settings to do so. The function also enables the network interface of the device if it is disabled. The function is triggered by attempting to update the device from the user menu. This could serve as a backdoor to the device, and could lead to a malicious actor being able to upload and overwrite files on the device.
Is CVE-2025-0626 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSMA-25-030-01 updated cvss 7.5
Contec Health CMS8000 Patient Monitor (Update A)
-
Contec Health CMS8000 Patient Monitor Contec Health CMS8000 Patient Monitor Firmware smart3250-2.6.27-wlan2.1.7.cramfs, CMS7.820.075.08/0.74(0.75), CMS7.820.120.01/0.93(0.95)affected: mitigation “Per FDA recommendation, CISA recommends users remove any Contec CMS8000 devices from their networks.” fda.gov
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
1.14% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.7 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 7.7 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Contec Health CMS8000 Patient Monitor
Classification
- Weakness
-
- CWE-912 Hidden Functionality
References
- cisa.gov /news-events/ics-medical-advisories/icsma-25-030-01
- fda.gov /medical-devices/safety-communications/cybersecurity-vulnerabilities-certain-patient-monitors-contec-and-epsim
- cisa.gov /resources-tools/resources/contec-cms8000-contains-backdoor
- bleepingcomputer.com /news/security/backdoor-found-in-two-healthcare-patient-monitors-linked-to-ip-in-china/
Sources
- CVE List CVE-2025-0626
- NVD CVE-2025-0626
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.